Difference between Disable and Invalid

Disable

Part of speech: verb

Definition: to render unable; to take away the ability. to impair the physical or mental abilities of; to cause a serious, permanent injury which has a negative impact on the person's social life. to deactivate a function of an electronical or mechanical device.

Invalid

Part of speech: adjective

Definition: Not valid; not true, correct, acceptable or appropriate.Intended for use by an invalid.

Part of speech: verb

Definition: To exempt from duty because of injury or ill health.

Part of speech: noun

Definition: One who is confined to home or bed because of illness, disability or injuryAny person with a disability.

Example sentence: There is no reason why any legitimate caller should be spoofing an unassigned or invalid number. And providers shouldn't be sued for doing the right thing by blocking illegitimate spoofing.